/// <summary>
/// 创建流文件
/// </summary>
private void CreateStream()
{
AVISTREAMINFOW strhdr = new AVISTREAMINFOW();
strhdr.fccType = _fccType;
strhdr.fccHandler = _fccHandler;
strhdr.dwFlags = 0;
strhdr.dwCaps = 0;
strhdr.wPriority = 0;
strhdr.wLanguage = 0;
strhdr.dwScale = 1;
strhdr.dwRate = _frameRate;
strhdr.dwStart = 0;
strhdr.dwLength = 0;
strhdr.dwInitialFrames = 0;
strhdr.dwSuggestedBufferSize = _height * _stride;
strhdr.dwQuality = 0xffffffff;
strhdr.dwSampleSize = 0;
strhdr.rect_top = 0;
strhdr.rect_left = 0;
strhdr.rect_bottom = _height;
strhdr.rect_right = _width;
strhdr.dwEditCount = 0;
strhdr.dwFormatChangeCount = 0;
strhdr.szName0 = 0;
strhdr.szName1 = 0;
int hr = AVIFileCreateStream(_pfile, out _ps, ref strhdr);
if (hr != 0)
{
throw new AviException("AVIFileCreateStream");
}
}
private static extern int AVIFileCreateStream(int ptr_pfile, out IntPtr ptr_ptr_avi, ref AVISTREAMINFOW ptr_streaminfo);